Listen to Symphony No. 3 in E-Flat Major, Op. 55: II. Marcia funebre. Adagio assai online. Symphony No. 3 in E-Flat Major, Op. 55: II. Marcia funebre. Adagio assai is an English language song and is sung by Gustavo Dudamel and Simón Bolívar Symphony Orchestra of Venezuela. Symphony No. 3 in E-Flat Major, Op. 55: II. Marcia funebre. Adagio assai, from the album Beethoven 3 - Dudamel, was released in the year 2017. The duration of the song is 18:07. Download English songs online from JioSaavn.